and on the eve of this memorial today, speaker of the house nancy pelosi had blunt words. >> i don't think there's a great deal of support for sending more troops to afghanistan, in the country or in the congress. >> reporter: now, that decision will probably not be made for many weeks, if even months, diane. >> martha, apart from speaker pelosi, is support eroding on capitol hill? >> reporter: it certainly seems to be. carl levin, who heads the armed services committee, says he does not want to see more combat troops until the training of afghan troops is stepped up. this could take quite a while. and there could be a democratic revolt on capitol hill. >> thanks much to you, martha. we'll be back to you later on the memorial ceremony. thank you. >>> now, to a report card on the nation's security. eight years of the 9/11 attacks, are we safer? one of the most vulnerable targets, the new york city subway system and the 4 million people who ride it every day. our chief investigative correspondent, brian ross, joins us now with more. good morning, brian. >> reporter: good morning, robin